里弗杰克

A - N皇后问题Time Limit:1000MS     MemoryLimit:32768KB     64bit IO Format:%I64d& %I64uSubmit StatusDescription在N*N的方格棋盘放置了N个皇后，使得它们不相互攻击（即任意2个皇后不允许处在同一排，同一列，也不允许处在与棋盘边框成45角的斜线上。 你的任务是，对于给定的N，求出

I - A计划Time Limit:1000MS     Memory Limit:32768KB     64bit IO Format:%I64d & %I64uSubmit Status Practice HDU 2102Appoint description: System Crawler  (2016-01-20)Description

B - Eight IITime Limit:2000MS     Memory Limit:65536KB     64bit IO Format:%I64d & %I64uSubmit Status Practice HDU 3567Appoint description: System Crawler  (2016-01-18)Descriptio

B - Knight MovesTime Limit:1000MS     Memory Limit:65536KB     64bit IO Format:%I64d & %I64uSubmit Status Practice POJ 2243Appoint description: System Crawler  (2016-01-04)System Crawl

A - Open the LockTime Limit:1000MS     Memory Limit:32768KB     64bit IO Format:%I64d & %I64uSubmit Status Practice HDU 1195Appoint description: System Crawler  (2016-01-13)Descrip

A - EightTime Limit:5000MS     Memory Limit:32768KB     64bit IO Format:%I64d & %I64uSubmit Status Practice HDU 1043Appoint description: System Crawler  (2016-01-16)Description

Problem B: Fire!Joe works in a maze. Unfortunately, portions of the maze have caught on fire, and the owner of the maze neglected to create a fire escape plan. Help Joe escape the maze.Giv

I - Fire GameTime Limit:1000MS     Memory Limit:32768KB     64bit IO Format:%I64d & %I64uSubmit StatusDescriptionFat brother and Maze are playing a kind of special (hentai) game on

H - PotsTime Limit:1000MS     Memory Limit:65536KB     64bit IO Format:%I64d & %I64uSubmit StatusDescriptionYou are given two pots, having the volume of A and B liters respective

F - Prime PathTime Limit:1000MS     Memory Limit:65536KB     64bit IO Format:%I64d & %I64uSubmit StatusDescriptionThe ministers of the cabinet were quite upset by the message fro

转载请注明出处：優YoU  http://user.qzone.qq.com/289065406/blog/1303946967大致题意：给出一个整数n，(1  解题思路：首先暴力枚举肯定是不可能的 1000ms 想不超时都难，而且枚举还要解决大数问题。。要不是人家把这题放到搜索，怎么也想不到用BFS。。。 解题方法： BFS+同余模

D - FliptileTime Limit:2000MS     Memory Limit:65536KB     64bit IO Format:%I64d & %I64uSubmit StatusDescriptionFarmer John knows that an intellectually satisfied cow is a happy

B - Dungeon MasterTime Limit:1000MS     Memory Limit:65536KB     64bit IO Format:%I64d & %I64uSubmit StatusDescriptionYou are trapped in a 3D dungeon and need to find the quickes

A labyrinth is the rectangular grid, each of the cellsof which is either free or wall, and it's possible to move only between freecells sharing a side.Constantine and Mike are the world leaders ofco

A boy Petya loves chess very much. He even came up with a chess piece ofhis own, a semiknight. The semiknight can move in any of these four directions: 2 squares forward and 2 squares to the right, 

D - EscapeTime Limit:10000MS     Memory Limit:32768KB     64bit IO Format:%I64d & %I64uSubmit Status Practice HDU 3533Appoint description: System Crawler  (2016-01-16)Description